Figure 6. Kaplan-Meier and ROC analysis results based on age, gender and race. (A) Grouping of COAD patients according to their age at first diagnosis: ≤ 64 years (N = 130, 45.30%), > 64 years (N = 157, 54.70%). (B) Grouping of COAD patients according to gender: male (N = 153, 53.31%), female (N = 134, 46.69%). (C) Grouping of COAD patients according to race: black or African American (N = 57, 21.19%), white (N = 201, 74.72%).